Factor Info

ID 13237
Size 326 digits / 1081 bits
Status composite
Value 16072718009749366526906977705755026416122167560983238468047757660409069225243125104443396129479972064848765127826210439645041662391806075677476242110004219361579309851051213086145933847642418921931940450370365000842590483658580211909064119513363565501109155310242001025442433852977213980503169165858374886077153207846411981271

Factorizations

Primary (ID: 4235) 526256453012063980796131127321354599535039 (proven prime)
(ID: 13238) 30541607457269342331578982329536531722685312685745199529892485136191764831709431545668548928150344603164213521289218821555043855984861416851586844928523041076723632151728421481083419649375747528730033241876630100166569736784655080712201727684095931182229063043497785383049591386445289 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.